Junior 4-H/FFA State HORTICULTURE Exam 2015

Transcription

1 Junior 4-H/FFA State HORTICULTURE Exam 2015 DO NOT WRITE ON THIS EXAM. Please fill in the scantron bubbles completely using a #2 pencil only. Make sure your name and number are on the scantron sheet. Check that you have all the pages. There are 40 questions on this exam. Answer questions 1-40 using the section marked Exam. True or false on the answer sheet, mark A for True statements or B for False statements 1. T/F Adequate amounts of nitrogen, phosphorus, and potassium are necessary for a healthy lawn. 2. T/F You should handle balled and burlapped or containerized plants by the soil ball or pot, and never by the trunk or crown. 3. T/F The gas found in bruised or aging plant material that causes rapid decay of cut flowers is called ethylene. 4. T/F A plant that has both stamens and pistils in each flower is said to have monoecious flowers. 5. T/F Light level is the most important environmental factor to consider when picking a location for planting bulbs. 6. T/F Onions grow best in moderately cool temperatures with abundant moisture. 7. T/F A good place to plant tomatoes and other garden crops is near a walnut tree. 8. T/F Petunias, zinnias, and marigolds are examples of annual flowers. 9. T/F You should apply preemergence herbicides before seeding an area to prevent weeds. 10. T/F Plants generated from layering will have the same flower, fruit, and foliage characteristics of the parent plant. 11. T/F Peat pellets are used for starting seeds. 12. T/F The dahlia is ready to be dug up when it is blackened by frost. 13. T/F Leaves at the ends of a flower stem should be removed before the flower is placed in a vase of water. 14. T/F The filament and anther make up the pistil. 15. T/F Fertilizer requirements for vegetables should be established during the harvest season. 1

2 Multiple Choice: On the scantron answer sheet, mark the correct letter answer (A, B, C, D, E) 16. Planting depth for most seeds should be A. 5 times the size of the seed. B. 3 times the size of the seed. C /2 times the size of the seed. 17. A general rule to follow when planting bulbs is to plant them A. 4 inches deep. B. 2 ½ to 3 times their own depth. C. 4 to 5 times their own depth. 18. Division of daylilies is done usually every: A. 2-4 years B years C. 5-7 years 19. Hedges should be pruned so the: A. Top is wider than the bottom B. Bottom is wider than the top C. The same for the top and bottom 20. Mulching annuals and perennials in the landscape will help to A. conserve soil moisture B. help to control weeds C. moderate soil temperatures D. all of the above 21. The potato tuber is an underground, modified A. fruit. B. leaf. C. stem. D. flower. 2

3 22. The first symptom of wilt disease in tomatoes is A. yellowing of the lower leaves. B. blackened fruit. C. striping on the older leaves. 23. Pinching annuals as well as removing faded blooms promotes A. disease problems. B. lush heavy foliage. C. increased flowering. 24. It is best to water plants A. during the early part of the day. B. midday. C. after dark. 25. When flowers are pollinated and fertilization is successful A. the plant wilts. B. a fruit forms. C. the plants become a richer green. 26. Tall growing vegetable plants such as corn and pole beans should be planted on the side of the garden. A. North B. South C. East 27. For cuttings that are difficult to root use A. water. B. hormones. C. vermiculite. 28. Blueberries must have: A. Acid Soil B. Alkaline Soil C. Neutral Soil 3

4 29. What are the two most popular types of layering: A. air and simple B. air and cutting C. tip and serpentine D. stem tip and root 30. The state flower of Indiana is the A. Rose B. Daylily C. Peony 31. Vegetable gardens should be located in the A. shade. B. partial shade. C. sun. 32. Most perennial plants will benefit from A. deep cultivation. B. tip cuttings. C. division every 3-4 years. 33. What are the three important characteristics that determine how long cut flowers will remain attractive and useful? A. High water content, light, and warm temperatures B. High water content, food, and avoiding toxic substances C. Food, light, and cool temperatures 34. Many woody plants do not bloom if they are A. dwarf B. mature C. juvenile 35. Daylily may be propagated by A. Division B. Seeding C. Rhizomes D. Both A and C 4

5 36. An insect or animal that transfers pollen from the stamen to the stigma of a flower is: A. bee B. butterfly C. bat D. all of the above 37. The stamen contains A. stigma and filament B. anther and filament C. ovary and stigma D. ovary and style 38. A build-up of white crusty material on the soil surface or rim of a flowerpot indicates A. salt accumulation. B. lack of water. C. too much sun. 39. Too much of this element before vegetables have begun to set fruit can reduce yields A. nitrogen B. phosphorus C. potassium 40. Deciduous trees and shrubs are often propagated by this method: A. leaf cuttings B. hardwood cuttings C. root cuttings D. habit of growth 5